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