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