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