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