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