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