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