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