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