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