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)(19,20)(21,22)(23,24)(6,8)(9,11)(10,13)(12,16)(14,15)(17,19)(18,23)(20,21)(22,24) involution — undirected(5,6,7,8)(11,16)(13,15)(18,21)(19,24)(1,2)(3,4)(9,10)(11,13)(12,14)(15,16)(17,20)(18,19)(21,24)(22,23) involution — undirected(9,11)(10,13)(12,16)(14,15)(17,21,22,18)(19,20,24,23)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.