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