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