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