$fieldObjects = acf_get_fields('144');      // Get fields from field group #144

    foreach($fieldObjects as $fieldObject) {
        echo '<strong>' . $fieldObject['label'] . '</strong><ul>';  // Echo field title and start ul

        foreach($fieldObject['choices'] as  $key => $choice) {      // Echo filter link for each field value
            $params           = array_merge( $_GET, array( $fieldObject['name'] => $key ) );    // Merege currmet get attributes with new filter attribute (?field=value)
            $new_query_string = http_build_query( $params );    // Construct url
            $selected = (isset($_GET[$fieldObject['name']]) && $_GET[$fieldObject['name']] == $key ? ' style="font-weight:bold"' : null);   // Add bold style to selected link
            echo '<li><a href="?' . $new_query_string .'"' . $selected . '>' . $choice . '</a></li>';   // Echo filter link
        }
        echo '</ul>';   // End filter ul
    }

<strong>Field 1</strong>
        <ul>
            <li><a href="?field_1=value_1">Value 1</a></li>
            <li><a href="?field_1=value_2">Value 2</a></li>
            <li><a href="?field_1=value_3">Value 3</a></li>
        </ul>

        <strong>Field 2</strong>
        <ul>
            <li><a href="?field_2=value_1">Value 1</a></li>
            <li><a href="?field_2=value_2">Value 2</a></li>
            <li><a href="?field_2=value_3">Value 3</a></li>
        </ul>