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