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