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