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