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