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