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