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)(18,23)(19,28)(26,30)(27,32)(33,34,39,43)(35,40,46,44)(36,38,42,48)(37,47,45,41)(1,3,8,15)(2,9,12,13)(4,14,5,6)(7,11,10,16)(17,18)(19,24)(20,26)(21,27)(22,23)(25,28)(29,30)(31,32)(33,34,39,43)(35,44,46,40)(36,38,42,48)(37,41,45,47)(1,4,8,5)(2,10,12,7)(3,14,15,6)(9,16,13,11)(17,19)(18,24)(20,27)(21,26)(22,28)(23,25)(29,32)(30,31)(33,35,39,46)(34,40,43,44)(36,45,42,37)(38,41,48,47)(1,5,8,4)(2,10,12,7)(3,6,15,14)(9,16,13,11)(17,19)(18,25)(20,27)(21,30)(22,28)(23,24)(26,31)(29,32)(33,36)(34,38)(35,45)(37,46)(39,42)(40,41)(43,48)(44,47)(1,6)(2,11)(3,4)(5,15)(7,13)(8,14)(9,10)(12,16)(17,20,22,29)(18,26,23,30)(19,27,28,32)(21,25,31,24)(33,37,39,45)(34,41,43,47)(35,36,46,42)(38,40,48,44)(1,7,8,10)(2,5,12,4)(3,11,15,16)(6,13,14,9)(17,21,22,31)(18,27,23,32)(19,26,28,30)(20,25,29,24)(33,38)(34,42)(35,41)(36,43)(37,40)(39,48)(44,45)(46,47)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.