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