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