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