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