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)(17,18)(19,25)(20,28)(21,22)(23,27)(24,30)(26,31)(29,32)(33,34,38,41)(35,36,43,39)(37,40,45,47)(42,44,48,46)(1,3,7,4)(2,8,9,6)(5,12,14,11)(10,13,16,15)(18,22)(23,25)(24,28)(31,32)(33,35,38,43)(34,39,41,36)(37,42,45,48)(40,46,47,44)(2,9)(3,4)(10,16)(11,12)(17,19,21,27)(18,23,22,25)(20,26,30,29)(24,31,28,32)(33,35)(34,36)(37,42)(38,43)(39,41)(40,44)(45,48)(46,47)(1,4,7,3)(2,6,9,8)(5,12,14,11)(10,13,16,15)(17,19)(18,23)(20,29)(21,27)(22,25)(24,32)(26,30)(28,31)(33,36)(34,35)(37,44)(38,39)(40,42)(41,43)(45,46)(47,48)(1,5,7,14)(2,10,9,16)(3,11,4,12)(6,13,8,15)(17,18)(19,25)(20,24)(21,22)(23,27)(26,32)(28,30)(29,31)(1,6)(2,3)(4,9)(5,13)(7,8)(10,11)(12,16)(14,15)(17,20)(18,24)(19,26)(21,30)(22,28)(23,31)(25,32)(27,29)(33,37,38,45)(34,40,41,47)(35,42,43,48)(36,44,39,46)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.