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