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