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