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