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