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