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