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