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