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