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