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