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