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