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