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