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