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