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