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