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