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