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