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