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)(20,24)(21,22)(23,27)(26,32)(28,30)(29,31)(35,41)(38,42)(43,47)(45,48)(4,8)(6,7)(11,16)(13,15)(18,22)(20,28)(23,25)(26,29)(33,34,37,40)(35,42,41,38)(36,39,44,46)(43,48,47,45)(2,3)(6,7)(17,19,21,27)(18,23,22,25)(20,29,28,26)(24,32,30,31)(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)(17,18)(19,23)(20,24)(21,22)(25,27)(26,31)(28,30)(29,32)(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)(17,20,21,28)(18,24,22,30)(19,26,27,29)(23,31,25,32)(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.