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