One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(9,10,12,14)(11,15,16,13)(18,22)(20,24)(25,26)(27,31)(28,29)(30,32)(2,5)(6,8)(11,16)(13,15)(18,22)(19,23)(26,29)(30,31) involution — undirected(9,10)(11,13)(12,14)(15,16)(17,18)(19,20)(21,22)(23,24)(25,27,28,32)(26,30,29,31)(1,3,4,7)(2,6,5,8)(9,11,12,16)(10,13,14,15)(17,19)(18,20)(21,23)(22,24)(25,26)(27,30)(28,29)(31,32)(1,2)(3,6)(4,5)(7,8)(9,10)(11,13)(12,14)(15,16)(17,20)(18,19)(21,24)(22,23)(25,26)(27,30)(28,29)(31,32) 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.