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