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