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