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