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