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