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