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