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