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