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