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