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