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