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