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