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