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