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