I wasn't sure how to title this, it's certainly just a UI feature suggestion.
Currently you can have either checkbox or select as form items to select style(s).
My suggestion is to allow for a custom icon to be added to visually indicate each style. This may be very granular and too much for this module but I wanted to run it past you. This idea is mainly for selecting a color style, which I think might be a common use case, but could be expanded.
So instead of:
It might look like:
If something like this makes sense I could work on it and see how far I get.
Active
2.0
User interface
Following up on this... searching the issue queue I found this: https://www.drupal.org/project/layout_builder_styles/issues/3097952 ✨ Ability to add image previews for each style Postponed
These aren't necessarily the same feature request, but wanted to flag.