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