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