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