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