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