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