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