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