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