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