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