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