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