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