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