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