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