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