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