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