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