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