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