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