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