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