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