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