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)(17,18,24,32,23,27,22,26)(19,20,28,30,21,25,29,31)(1,3)(2,5)(4,8)(6,7)(10,13)(11,15)(17,19,23,21)(18,20,27,25)(22,29,24,28)(26,31,32,30)(9,10)(11,14)(12,13)(15,16)(17,20,23,25)(18,21,27,19)(22,30,24,31)(26,29,32,28)(3,8)(5,7)(10,13)(14,16)(17,21,23,19)(18,25,27,20)(22,28,24,29)(26,30,32,31)(9,11,12,15)(10,14,13,16)(17,22,23,24)(18,26,27,32)(19,28,21,29)(20,30,25,31)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.