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