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