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)(19,27)(20,30)(21,25)(22,28)(23,24)(26,32)(29,31)(1,3,13,16,6,15,5,14)(2,7,11,8,10,4,9,12)(17,19,21,24)(18,23,25,27)(20,28,31,26)(22,30,32,29)(1,3,6,15)(2,8,10,12)(4,9,7,11)(5,14,13,16)(17,20,22,23,21,31,32,27)(18,24,26,30,25,19,28,29)(1,4,5,8,6,7,13,12)(2,3,9,14,10,15,11,16)(18,25)(20,31)(23,27)(26,28)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.