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