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