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