One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(9,10)(11,12)(13,14)(15,16)(17,18)(19,23)(20,21)(22,24)(27,31)(29,32)(2,5)(3,7)(9,10,13,14)(11,16,15,12)(17,19)(18,22)(20,23)(21,24)(25,26,28,30)(27,29,31,32)(2,5)(6,8)(10,14)(11,15)(17,19,21,24)(18,23,20,22)(1,2)(3,6)(4,5)(7,8)(9,11,13,15)(10,12,14,16)(17,19)(18,23)(20,22)(21,24)(25,27,28,31)(26,29,30,32)(1,3,4,7)(2,6,5,8)(9,12)(10,15)(11,14)(13,16)(17,20,21,18)(19,22,24,23)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.