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