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