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