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