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