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