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