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