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