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