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