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)(19,30)(20,25)(21,28)(22,27)(23,29)(24,32)(26,36)(31,46)(33,42)(34,41)(35,45)(37,44)(38,43)(39,48)(40,47)(1,3)(2,8)(4,12)(5,9)(6,14)(7,15)(10,16)(11,13)(17,19)(18,24)(20,35)(21,34)(22,32)(23,33)(25,40)(26,45)(27,42)(28,30)(29,41)(31,36)(37,48)(38,47)(39,43)(44,46) involution — undirected(1,4,5,10)(2,9,11,3)(6,8,7,13)(12,14,16,15)(17,20)(18,25)(19,31)(21,36)(22,38)(23,37)(24,39)(26,28)(27,43)(29,44)(30,40)(32,35)(33,47)(34,48)(41,45)(42,46)(1,3,5,9)(2,10,11,4)(6,15,7,14)(8,12,13,16)(17,20)(18,26)(19,31)(21,38)(22,36)(23,37)(24,40)(25,28)(27,44)(29,43)(30,39)(32,48)(33,47)(34,35)(41,46)(42,45)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.