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