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