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