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