That would completely depend on which route you decide to take down to los angeles from SF before you head east to Palm Springs.
Did you intend to take the extremely long route of 101 south?
Then i recommend you stop by solvang... well, you probably will have to as thats a super charger stop.
But Buellton is a very touristy place.
Its setup like a Danish Town, so go grab something to eat, the sausages are great there.
Or are you going by 5? which is a much faster route by about 2-3 hours, but at the same time, with nothing interesting to see until you hit Los Angeles.
Or you can go the super scenic route, at the time same i call it the suicidal route, well i guess it wont be if you have auto pilot on, but i have never tried it on a EV car, which is called the beach route, aka route 1.
But i think if i did that in a EV, i would have super range anxiety.