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