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