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