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