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