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