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