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