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