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