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