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)(33,34,39,36)(35,42,40,37)(38,44,46,41)(43,45,47,48)(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)(33,34,39,36)(35,42,40,37)(38,41,46,44)(43,48,47,45)(17,18,23,20)(19,26,21,24)(22,25,30,28)(27,32,29,31)(33,35)(34,37)(36,42)(38,43)(39,40)(41,45)(44,48)(46,47)(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)(33,36,39,34)(35,42,40,37)(38,41,46,44)(43,45,47,48)(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)(33,37,39,42)(34,40,36,35)(38,45,46,48)(41,47,44,43)(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)(33,38,39,46)(34,41,36,44)(35,43,40,47)(37,45,42,48)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.