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