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