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