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