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