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