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