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