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