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