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