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