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)(11,16)(12,13)(14,15)(18,21)(22,24)(2,5)(6,8)(9,10,14,15)(11,16,12,13)(19,23)(22,24)(25,26,28,30)(27,29,31,32)(3,7)(6,8)(9,11,14,12)(10,13,15,16)(17,18)(19,22)(20,21)(23,24)(25,26)(27,29)(28,30)(31,32)(1,2)(3,6)(4,5)(7,8)(9,12,14,11)(10,13,15,16)(17,19,20,23)(18,22,21,24)(1,3,4,7)(2,6,5,8)(9,13)(10,11)(12,15)(14,16)(17,18)(19,22)(20,21)(23,24)(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.