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