One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,9)(3,10,12,15)(4,8,5,13)(7,14,16,11)(18,23)(20,21)(24,31)(25,28)(26,29)(30,32)(33,34,37,41)(35,38,43,47)(36,39,44,40)(42,45,48,46)(1,3,6,12)(2,7,9,16)(4,11,5,14)(8,15,13,10)(17,18,22,25)(19,24,27,32)(20,23,21,28)(26,30,29,31)(33,35,37,43)(34,38,41,47)(36,42,44,48)(39,45,40,46)(1,4,6,5)(2,8,9,13)(3,11,12,14)(7,15,16,10)(17,19,22,27)(18,24,25,32)(20,26,21,29)(23,30,28,31)(34,39)(36,44)(38,45)(40,41)(42,48)(46,47)(17,20,22,21)(18,23,25,28)(19,26,27,29)(24,30,32,31)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.