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