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