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