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)(17,18,23,29,22,20,21,25)(19,24,30,32,27,28,26,31)(1,3,5,12,6,8,15,13)(2,4,9,7,11,14,10,16)(17,19,21,26,22,27,23,30)(18,24,25,31,20,28,29,32)(1,3)(2,7)(4,10)(5,12)(6,8)(9,14)(11,16)(13,15)(17,20,22,18)(19,24,27,28)(21,25,23,29)(26,32,30,31)(1,4,5,7,6,14,15,16)(2,8,9,13,11,3,10,12)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.