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