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