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