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