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