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