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