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