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