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