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