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