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