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