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