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