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