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