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