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