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