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