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