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