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