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