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