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