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