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