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