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