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