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