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