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