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