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