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