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