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