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