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)(17,18,22,26,23,27,21,31)(19,24,28,32,29,25,20,30)(1,2,3,7,5,9,11,6)(4,13,10,8,12,14,16,15)(17,19,22,28,23,29,21,20)(18,24,26,32,27,25,31,30)(1,3,5,11)(2,7,9,6)(4,10,12,16)(8,14,15,13)(17,20,21,29,23,28,22,19)(18,25,26,30,27,24,31,32)(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.