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