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)(18,23)(19,26)(20,22)(24,31)(27,32)(28,30)(1,2)(3,7)(4,8)(5,6)(10,11)(12,13)(17,18,21,23)(19,27,28,24)(20,29,22,25)(26,31,30,32)(1,3,5,4)(2,7,6,8)(9,11,14,10)(12,15,13,16)(17,19)(18,24)(20,26)(21,28)(22,30)(23,27)(25,31)(29,32)(1,4,5,3)(2,7,6,8)(9,12,14,13)(10,15,11,16)(17,18)(19,27)(20,29)(21,23)(22,25)(24,28)(26,31)(30,32)(9,13,14,12)(10,15,11,16)(17,20,21,22)(18,25,23,29)(19,26,28,30)(24,31,27,32)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.