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