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