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