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