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