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