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