One vertex per element, one color per generator, with an edge from x to x·s.
(9,10,12,13)(11,15,16,14)(18,20)(19,25)(22,27)(23,30)(26,31)(28,32)(1,2)(3,7)(4,6)(5,8)(9,10)(11,14)(12,13)(15,16)(17,18)(19,26)(20,21)(22,24)(23,28)(25,30)(27,29)(31,32) involution — undirected(1,3)(2,5)(4,8)(6,7)(10,13)(14,15)(17,19,27,32,21,28,22,25)(18,23,29,30,20,26,24,31)(3,8)(5,7)(9,11,12,16)(10,14,13,15)(17,20,21,18)(19,26,28,23)(22,29,27,24)(25,30,32,31)(2,6)(5,7)(18,20)(23,26)(24,29)(30,31) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.