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