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