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