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