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