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