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