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