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