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