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