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