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