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