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