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