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