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)(17,18,22,25,23,26,21,19)(20,28,29,24,31,27,30,32)(5,6,7,8)(9,11,12,16)(10,13,14,15)(17,19,21,26,23,25,22,18)(20,24,30,28,31,32,29,27)(1,2,3,4)(6,8)(17,20)(18,24)(19,27)(21,29)(22,30)(23,31)(25,28)(26,32)(10,14)(13,15)(17,21,23,22)(18,19,26,25)(20,29,31,30)(24,27,32,28)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.