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