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