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