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