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