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