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