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