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