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