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