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