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