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