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