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