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