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