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