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