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