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