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