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