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