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