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