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