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