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