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