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