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