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