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