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