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