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