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