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