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