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