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