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