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