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