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