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