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