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