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