Hidden Set solution
by Kegler

The seven wordplay-only clues represent the colors of the rainbow.

Hidden Set solution grid

Across
1COMMUNIST (MOM CUTS IN anag) RED
9AVON (rev)
11H(I + JACK)ER
13MO + TORMENt
14AU + TO
15UN + cITY
16NAVE + LO(ROSA)GE ORANGE
17CEDED ("SEEDED" hom)
18X + ENON (NONE rev)
19ROOMY ("RUE ME" hom)
22FUSSY (hidden)
24ACCOMPLISHED (CAMPS ICE HOLD anag)
27S(O)AVE
28NAR + D (rev)
29CO(WARD + L)Y YELLOW
31ENGUL + FED (LUNGE anag)
32SE(A)T
33DE(PRESS)ED BLUE
Down
1CAMe
2MOT + I'VE (TOM rev)
3UHRY (last letters)
4N(I + MR)OD
5SANYO (hidden)
6SKUA (rev)
7LET'S GO ("GETS LOW" spoonerism)
8PROMENADE (MODERN APE anag)
10NOTED MOOD (NOT DOOMED anag) INDIGO
12J(EE)RS
14ASSES + SOReS
15UNiT + RAINED GREEN
20OCEANS (CANOES anag)
21S[P/l]OOF (rev)
22F + L + OWER VIOLET
23SH(AD)ES
25MAC(L)E
26A(R)GO
27S + ADE
30YTuD (rev)