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