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