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