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