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