One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,7)(4,8)(5,6)(9,10,12,14)(11,13,15,16)(17,18,22,19)(20,27,30,28)(21,24,31,25)(23,32,26,29)(2,6)(7,8)(9,11)(10,13)(12,15)(14,16)(17,19,22,18)(20,28,30,27)(21,25,31,24)(23,29,26,32)(1,3,5,4)(2,7,6,8)(17,20,21,29,22,30,31,32)(18,23,25,27,19,26,24,28)(1,3,5,4)(2,7,6,8)(11,15)(13,16)(17,20,21,29,22,30,31,32)(18,23,25,27,19,26,24,28)(1,4,5,3)(2,7,6,8)(17,21,22,31)(18,24,19,25)(20,29,30,32)(23,28,26,27)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.