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