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