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