Transferring ideas from your head to your fingers definitely is a process you need to go through. This also isn't an easy backingtrack to solo over due to those little ending bits but you did kind of ok! I did notice you were looking for the right notes at times, did you seek out the chord progression before you started?
thank you!
what I actually do is trying to get by ear the root note of the chords as a starting point to try to visualize on the fretboard the notes that could work, it is kind of unconscious I would say... Also I try to identify the chord changes and try to figure out which notes fit better with each chord. I do it at the beginning of the improv, later I get lost most times trying to do both things at the same time . I guess practice is the key to make some progress.