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