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