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