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