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