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