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