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