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