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