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