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