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