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