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