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