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