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