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