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