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