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)(17,18,22,25)(19,20,23,27)(21,24,30,32)(26,28,29,31)(33,34)(35,36)(37,40)(38,46)(39,42)(41,48)(43,45)(44,47)(2,5)(7,9)(8,12)(15,16)(17,19)(18,20)(21,29)(22,23)(24,31)(25,27)(26,30)(28,32)(33,35,39,40)(34,36,42,37)(38,47,48,43)(41,45,46,44)(3,10)(7,9)(11,13)(15,16)(19,23)(20,27)(26,29)(28,31)(33,36,39,37)(34,40,42,35)(38,44,48,45)(41,47,46,43)(1,3)(2,7)(4,13)(5,9)(6,10)(8,16)(11,14)(12,15)(17,20,22,27)(18,23,25,19)(21,28,30,31)(24,29,32,26)(33,34)(35,36)(37,40)(38,41)(39,42)(43,44)(45,47)(46,48)(1,4,6,14)(2,8,5,12)(3,11,10,13)(7,15,9,16)(17,18)(19,20)(21,24)(22,25)(23,27)(26,28)(29,31)(30,32)(33,37,39,36)(34,35,42,40)(38,45,48,44)(41,43,46,47)(1,5,6,2)(3,9,10,7)(4,12,14,8)(11,16,13,15)(17,21)(18,24)(19,26)(20,28)(22,30)(23,29)(25,32)(27,31)(33,38,39,48)(34,41,42,46)(35,43,40,47)(36,44,37,45)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.