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