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