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