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