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