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