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