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